Objective -
The objective of this study is industry mapping through the production factor identification that used. The mapping results will be used as a justification for preparing to the sectors planning in Semarang Regency.

Methodology -
This research was implemented in a West Ungaran district become the highest number industry with 236 industries. Mostly, the industrial sector that located in Semarang Regency was engaged in the food sector. Chemical and building materials industry is the second largest after food industry. The regional planning in this region considered to the agricultural sector. The development planning of timber production, flour base commodity, soybeans and nuts industrial cluster should be synchronized with agricultural development strategy.

Findings -
The region having the largest industrial number is West Ungaran District with 236 industries. The total majority of the industry located in Semarang Regency is the industry engaged in the food sector

Novelty –
Finally, this research is expected to provide the strengthening effect for the agricultural sector, which will increase the contribution to the regional economy.